function Test-ConfigurationDataExpression {
    [CmdletBinding()]
    Param(
        [AllowNull()]
        [string]
        $Value
    )

    if([string]::IsNullOrWhiteSpace($Value)){
        return $false
    }

    $Trimmed = $Value.Trim()
    return $Trimmed.StartsWith("[") -and $Trimmed.EndsWith("]")
}